Greens leader Richard Di Natale "won't be commenting on his colleagues publicly" after one of his senators said she was disappointed in his leadership.
Senator Lee Rhiannon used an ABC TV interview on Sunday to express her disappointment in the party leader.
It followed her exclusion by the party room from discussion on contentious school funding legislation after she campaigned against it.
Senator Di Natale says he's confident the party will able to work through the "internal processes".
"When these situations arise we need to have processes in place to ensure that the party room can operate functionally and that we can be united," he told reporters in Melbourne on Wednesday.
"Lee Rhiannon is in the party room, and the last thing I want to do is to be commenting on my colleagues publicly."
He denied the Greens had abandoned some of their grassroots beliefs, as Senator Rhiannon suggested, and said he was proud the party remained "the only political party that is member driven in every state".
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